payment-handler/change-payment-method-manual-manifest.json

{
  "default_applications": ["change-payment-method-manual-manifest.json"],
  "name": "Test Payment Handler",
  "icons": [
    {
      "src": "/images/rgrg-256x256.png",
      "sizes": "256x256",
      "type": "image/png"
    }
  ],
  "serviceworker": {
    "src": "app-change-payment-method.js",
    "scope": "change-payment-method-manual-payment-app/"
  }
}